Благодарю за ответы, если какие ещё идеи у кого есть - буду рад их услышать, а с лампами обязательно попробую замениться. И ещё так сказать дополнительный вопрос, можно ли из ламповой головы достать из оконечника все лампы кроме одной. для того чтобы понизить мощность когда используешь её дома? это должно ватт 25 получится по идее? Если голова вот такая :

Power: 4 – 6L6 / 5881
Preamp: 4 – 12AX7
Phase-Inverter: 1 – 12AX7
Reverb: 1 – 12AX7
Effects-Loop: 1 – 12AX7
Rectifier: 1 – 5AR4
• All-Tube Signal Path
• Tri-Mode Rectifier: Tube - Class A or AB,
• Solid-State - Class AB
• Overdrive Channel: Gain 1 and Gain 2
• Each with Independent Master Volumes,
• 3-Band EQ, Assignable Contour Control
• Clean Channel: Master Volume, 3-Band
• EQ and Bright Switch
• Global Controls: Volume, Low-Res
• (Resonance) and Reverb
• Effects Loop with Level Controls
• (Footswitchable)
• Line Out with Level Control
• Selectable 4 / 8 / 16 Ohms External
• Speaker Jacks
• 4-Position Footswitch: Channel, Gain,
• Reverb and Effects Loop
• Ground Lift Switch
• Dimensions: 27" x 11" x 11"
• Weight: 53lbs
This B-52 Stealth Series AT-100 has a 100% pure,
all-tube signal path, incredible tone and a wide array of
guitarist friendly features. It combines Russian Sovtek
6L6 power tubes with 12AX7 preamp tubes for solid tube
tone and classic breakup. This roadworthy head provides
serious musicians with monstrous gain, extreme levels of
distortion and a sparkling clean channel. Selectable solidstate
or tube rectification through a Sovtek 5AR4 ensures
complete tonal authenticity.
l 1/4” High and Low Input Jacks
l Overdrive channel with Gain1, Gain2, assignable Contour,
three band EQ and level controls
l Clean Channel with Level control, 3 band EQ and Bright switch
l Master section with Volume, Low-Resonance and
Reverb controls
l Rugged footswitch for Channel Select, Gain Select, Reverb
on/off and Effects Loop on/off
l Push switches for channel, gain select and Contour assign
l Effects send and return with level controls
l Line out with level control
l Two speaker output jacks - selector switch for 4, 8 or 16 ohms
l Ground lift switch
l Rectifier select switch for: Tube A, Tube AB1 and
Solid-State
l 27” x 11” x 11” (W x H x D)
l Weight: 52 lbs.
Вроде всё так если не врёт изготовитель)